Advertisements
Advertisements
प्रश्न
Draw a neat labeled diagram to show the direction of two forces acting on a body to produce rotation in it. Also mark the point about which rotation takes place.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
State two disadvantages of producing hydroelectricity.
State the energy transformation on the following:
Electricity is obtained from solar energy.
Fill in the blank with suitable word :
1 joule is the work done when a force of 1 __________ moves an object through a distance of one __________ in the direction of __________.
How much work is done by the gravitational force of earth acting on a satellite moving around it in a circular path? Give reason for your answer.
Name the force acting away from the centre of circular path.
Define 'joule'.
A block of mass 30 kg is pulled up a slope, as shown in diagram with a constant speed, by applying a force of 200 N parallel to slope.
A and B are initial and final positions of block.
(i) Calculate the work done by force in moving the block from A to B.
(ii) Calculate P.E. gained by block. [g=10ms-2]
A force can cause an object to change its ______.
